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MCQ - Mechanical TNPSC JTO
JTO - 551 - Engineering Drawing and Draughtsman - 551 - unit - 06 - Screw Threads Bolts Nuts Washers

126)   

 The spring action in a spring washer is due to its:

A.
B.
C.
D.
Answer: C
127)   

 Plain washers are used under bolt heads or nuts to:

A.
B.
C.
D.
Answer: C
128)   

  Which washer acts like a cushion under vibrating conditions?

A.
B.
C.
D.
Answer: C
129)   

 A chamfered washer has:

A.
B.
C.
D.
Answer: B
130)   

 Which washer is most suitable for inclined or sloped surfaces? 

A.
B.
C.
D.
Answer: C
131)   

 Which part of a thread profile connects the crest and root?

A.
B.
C.
D.
Answer: B
132)   

  In a square thread, the thread angle is:

A.
B.
C.
D.
Answer: C
133)   

Which thread is better for quick engagement and disengagement in screws?

A.
B.
C.
D.
Answer: D
134)   

 BA threads are based on which measurement system?

A.
B.
C.
D.
Answer: C
135)   

 Which of the following threads has an asymmetric profile? 

A.
B.
C.
D.
Answer: C
136)   

 A bolt with a semicircular head and square neck just below the head is called: 

A.
B.
C.
D.
Answer: C
137)   

Which of the following bolts is typically used in concrete anchors? 

A.
B.
C.
D.
Answer: B
138)   

The square head bolt is preferred in which situation?

A.
B.
C.
D.
Answer: B
139)   

 Which bolt type has threads along its full length and no separate nut is needed?

A.
B.
C.
D.
Answer: A
140)   

Which bolt is mostly used in pipe clamp fittings or brackets? 

A.
B.
C.
D.
Answer: B
141)   

 A nut with a cylindrical shape and radial holes for a spanner is called:

A.
B.
C.
D.
Answer: B
142)   

 The hexagonal nut is commonly used because: 

A.
B.
C.
D.
Answer: C
143)   

 Which of the following nuts is best for locking with a split pin?

A.
B.
C.
D.
Answer: B
144)   

 Ring nuts are mostly used for: 

A.
B.
C.
D.
Answer: C
145)   

 A collared nut prevents loosening due to:

A.
B.
C.
D.
Answer: B
146)   

  Spring washers are primarily used to

A.
B.
C.
D.
Answer: C
147)   

 A washer with a beveled edge used for non-parallel surfaces is:

A.
B.
C.
D.
Answer: C
148)   

 Which washer type is commonly used with wood screws?

A.
B.
C.
D.
Answer: A
149)   

Washers are used under bolt heads mainly to:

A.
B.
C.
D.
Answer: B
150)   

 Split washers are a type of: 

A.
B.
C.
D.
Answer: B